Home / 8,711,947.52-12,034,781.62-6,981,114.72

Finding the Fourth Proportional to 8,711,947.52, 12,034,781.62 and 6,981,114.72

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Solution

The fourth proportional to 8,711,947.52, 12,034,781.62 and 6,981,114.72 is: 9,643,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,947.52 : 12,034,781.62 = 6,981,114.72 : x
  2. Step 2: Convert to fraction form
    8,711,947.52/12,034,781.62 = 6,981,114.72/x
  3. Step 3: Cross multiply
    8,711,947.52x = 12,034,781.62 × 6,981,114.72
  4. Step 4: Simplify right side
    8,711,947.52x = 84,016,191,119,367.44
  5. Step 5: Solve for x
    x = 84,016,191,119,367.44/8,711,947.52
  6. Step 6: Final answer
    x = 9,643,789.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.